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v3.23.3

Equity Incentive Plans (Tables) | 3 Months Ended
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Sep. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Stock option activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  | ​ | ​ |  | Weighted
​ | ​ | ​ | ​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Weighted | ​ | Remaining
​ | ​ | Number of | ​ | Average | ​ | Contractual
​ | ​ | Options | ​ | Exercise Price | ​ | Life in Years
Outstanding June 30, 2023 |  | 52,762 | ​ | $ | 18.37 |  | 9.06
Granted |  | 112,000 | ​ | ​ | 1.73 |  |
Forfeited/Cancelled |  | (2,045) | ​ | ​ | 4.78 |  |
Expired |  | (34) | ​ | ​ | 158.09 |  |
Outstanding at September 30, 2023 |  | 162,683 | ​ | $ | 6.91 |  | 9.55
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exercisable at September 30, 2023 |  | 3,019 | ​ | $ | 227.16 |  | 5.97
​
Restricted stock activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average Grant
​ | ​ | Number of | ​ | Date Fair
​ | ​ | Shares | ​ | Value
Unvested at June 30, 2023 |  | 38,075 | ​ | $ | 142.20
Granted |  | 12,500 | ​ | ​ | 1.77
Vested |  | (6,424) | ​ | ​ | 137.95
Unvested at September 30, 2023 |  | 44,151 | ​ | $ | 103.06
​
Restricted stock units activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average Grant
​ | ​ | Number of | ​ | Date Fair
​ | ​ | Shares | ​ | Value
Unvested at June 30, 2023 |  | 4,963 | ​ | $ | 25.62
Vested |  | (561) | ​ | ​ | 24.28
Forfeited | ​ | (939) | ​ | ​ | 31.60
Unvested at September 30, 2023 |  | 3,463 | ​ | $ | 24.21
Stock-based compensation expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​
​ | ​ | September 30, | ​
​ |  | 2023 |  | 2022 | ​
​ | ​ | ​ | (in thousands) | ​
Cost of sales | ​ | $ | — | ​ | $ | 5 | ​
Research and development | ​ | ​ | 1 | ​ | ​ | 9 | ​
Selling and marketing | ​ | ​ | — | ​ | ​ | 3 | ​
General and Administrative | ​ |  | 929 | ​ |  | 1,160 | ​
Total stock-based compensation expense | ​ | $ | 930 | ​ | $ | 1,177 | ​

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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